mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure TGGCGCCTTTTTATTCCAA GTCATAAAAACGCACCCCT GAGATGGGGTTGTCATAAAAACGCACCCCTTATTTAACAACGAATATAACCTTGTGGCGCCTTTTTATTCCAACTCCTAATG 5 0 3' arm Tribolium_castaneum mirbase 100 tca-mir-3887 2e-41 -18.8 .....(((((((..(((((((.((.((.(.(((((......))))).......).)).)).)))))))..)))))))..... (-18.80)